yystopf/openharmony_kernel_liteos_m
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feat: 同步调度部分优化至liteos_m

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1.tick timer与调度进一步剥离
2.性能敏感函数内敛化

Signed-off-by: zhushengle <zhushengle@huawei.com>
Change-Id: I00c27216e286dd7ca9c02db3e2377707d628a786
This commit is contained in:
zhushengle
2022-02-10 20:43:54 +08:00
parent d1d412255c
commit fb11ab181e
25 changed files with 253 additions and 221 deletions
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19
kernel/src/los_tick.c
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@@ -42,7 +42,8 @@ LITE_OS_SEC_BSS UINT32 g_ticksPerSec;
LITE_OS_SEC_BSS UINT32 g_uwCyclePerSec;
LITE_OS_SEC_BSS UINT32 g_cyclesPerTick;
LITE_OS_SEC_BSS UINT32 g_sysClock;
LITE_OS_SEC_BSS BOOL g_sysTimerIsInit = FALSE;
LITE_OS_SEC_BSS STATIC BOOL g_sysTimerIsInit = FALSE;
LITE_OS_SEC_BSS STATIC UINT64 g_tickTimerStartTime;
#if (LOSCFG_BASE_CORE_TICK_WTIMER == 0)
STATIC UINT64 g_tickTimerBase;
@@ -72,12 +73,12 @@ LITE_OS_SEC_TEXT VOID OsTickHandler(VOID)
LOS_SchedTickHandler();
}
LITE_OS_SEC_TEXT VOID OsTickTimerReload(UINT64 responseTime)
LITE_OS_SEC_TEXT UINT64 OsTickTimerReload(UINT64 period)
{
#if (LOSCFG_BASE_CORE_TICK_WTIMER == 0)
g_tickTimerBase = LOS_SysCycleGet();
#endif
g_sysTickTimer->reload(responseTime);
return g_sysTickTimer->reload(period);
}
LITE_OS_SEC_TEXT UINT64 LOS_SysCycleGet(VOID)
@@ -120,6 +121,10 @@ STATIC UINT32 TickTimerCheck(const ArchTickTimer *tick)
return LOS_ERRNO_TICK_CFG_INVALID;
}
if (tick->periodMax == 0) {
return LOS_ERRNO_TICK_CFG_INVALID;
}
if ((tick->init == NULL) || (tick->reload == NULL) ||
(tick->lock == NULL) || (tick->unlock == NULL) ||
(tick->getCycle == NULL)) {
@@ -172,6 +177,7 @@ LITE_OS_SEC_TEXT_INIT UINT32 OsTickTimerInit(VOID)
g_sysTimerIsInit = TRUE;
LOS_IntRestore(intSave);
return LOS_OK;
}
@@ -223,6 +229,11 @@ LITE_OS_SEC_TEXT UINT32 LOS_TickTimerRegister(const ArchTickTimer *timer, const
return LOS_OK;
}
LITE_OS_SEC_TEXT_MINOR VOID OsTickSysTimerStartTimeSet(UINT64 currTime)
{
g_tickTimerStartTime = currTime;
}
/*****************************************************************************
Function : LOS_TickCountGet
Description : get current tick
@@ -232,7 +243,7 @@ Return : current tick
*****************************************************************************/
LITE_OS_SEC_TEXT_MINOR UINT64 LOS_TickCountGet(VOID)
{
return LOS_SysCycleGet() / OS_CYCLE_PER_TICK;
return (LOS_SysCycleGet() - g_tickTimerStartTime) / OS_CYCLE_PER_TICK;
}
/*****************************************************************************